She penned Eminem and Rihanna's smash hit 'The Monster.'

3. She penned Eminem and Rihanna's smash hit 'The Monster.'

Rexha used to write her personal goals onto a pad of pink stickers, with one being “to write an international smash”. Shortly after writing that, she went on to pen Grammy-winning song ‘The Monster', which meant for her debut album. Picture: Instagram